Vetta RT255L User manual

Brand: Vetta

Model: RT255L

Category: Measuring, testing & control

Type: User manual

This manual is also suitable for

Vetta’s RT200 series are the upgraded version of all RT series cycle computers. It is recommended that these

products are to be installed by a qualified bicycle retailer. Failure to read the instructions and/ or improper installation

of the device may void the warranty. If you have any doubts about the installation or the operations, contact your local

bicycle retailer for clarification.

WARNINGS & CAUTIONS

HEAD UNIT

COMPONENTS

RT255 RT255L

RT277 RT288 RT288L

1. Button

2. Button

3. Button

4. Button (RT255L/288L)

5. Main Display

6. Contact Pins (RT255/255L/277)

7. Battery Compartment

8. Battery Cap

Heavy Duty Metal Braided Cable

Wireless Transmission

Replaceable Front Cover

Screen Display Window

NiteLite w/ SmartLite

EZ Tire Set

Service Timer

Speed Comparator

Auto Awake & Start-up

Energy Efficient programmable Auto Start

Current Speed

Average/Maximum Speed

Ride Time

Cumulative Odometer

Trip Distance

Multi Freeze Frame Memory

Lap

Current/Average/Maximum Cadence

12/24 Hour Clock

FUNCTIONS / FEATURES

RT255/255L includes: 1 3 4 5 9 11 12 14 15

RT277 includes: 2 3 4 5 9 10 11 12 14 15

RT288/288L includes: 3 4 5 6 7 8 9 11 12 13

1. Wired Spd Sensor with Mounting Bracket

(with Heavy Duty Harness)

2. Wired Spd & Cad Sensor with Mounting Bracket

(with Heavy Duty Harness, for Rear Wheel Pick-up)

3. Extra Clear Front Cover

4. Bracket Rubber Pad

5. Bracket Rubber Pad (Riser Handlebar)

6. WL Wireless Speed Transmitter

7. Wireless Mounting Bracket

8. Wireless Transmitter Shim

9. Bladed Spoke Magnet

10. Composite Cadence Magnet

11. Spacer

12. Head Unit Battery (CR2032, 3-Volt)

13. Wireless Transmitter Battery (A23, 12-Volt)

14. Wire Securing Tape

15. Zip-Ties

RT255 RT255L RT277 RT288 RT288L

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11 16 11 11 16

10 15 10 10 15

3 3 3 3 3

1.0

7 8 9

11 12 13 1514

5 6

LCD DISPLAY

1. Upper Display

2. Middle Display (Speed)

3. Lower Display

4. Service Timer/ Low Battery Icon

5. Speed Comparator Icon

6. Speed / Distance Units

7. Setup Mode Icon

8. Function Icons

9. RPM / RT/ PM/ TM Icon

10. Speed & Split Time Icon

11. Freeze Frame Memory Icon

12. Lap Icon

13. Auto Start Icon

Important: Do not use Zip-Ties, use the tapes provided with the package to hold wires to the frame, fork, bars or stem

to avoid damaging or cutting the wires accidentally. Make sure excess wire is taped down or wrapped around brake cable

housing to secure it.

BATTERY INSTALLATION

INSTALLATION

WIRED CADENCE SENSOR & MAGNET (

RT277)

Attach the Wired Cadence Sensor & Composite Cadence Magnet with the Zip-Ties supplied to the bicycle. Adjust the

sensor & magnet spacing with the spacer. Remove the Spacer after snugging the Zip-Ties down to hold the sensor in its

final position.

BUTTON FUNCTIONS

WIRED SPEED SENSOR & MAGNET (

RT255/255L)

Press momentarily

Button : Upper Screen Modes

Button : Lower Screen Modes

Button : F-Button or Lap Button

Button : NiteLite (RT255L/288L)

Press & hold for 2 seconds

Button : Recall Freeze Frame Memories or Lap Data

Button & when the lowest screen is in the CLK Mode: NOM Setup

Button & when the lowest screen is in the DST Mode: Reset ride data

to zero including the Frozen screens or Lap data

Button , & : All Clear Total Reset

Wired Cadence Sensor

Crank

Arm

Chain Stay

Spacer

Tip Alignment Mark

Crank Arm

Composite Cadence

Magnet

Wired Cadence Sensor

Zip-Tie

Composite

Cadence Magnet

Composite

Cadence Magnet

Composite

Cadence Magnet

Wired Speed Sensor

Fork Leg

Bladed

Spoke Magnet

Bladed

Spoke Magnet

Bladed

Spoke Magnet

Bladed Spoke Magnet

Spoke

Magnet

Sweep Path

Zip-Tie

Spacer

Spoke Spacer

Tip Alignment Mark

Fig. A

1 2

Magnet Sweep Path

The RT200 series Head Unit use CR2032, 3-Volt Lithium button Cell batteries.

Battery Run Time (1 hour training / day): Approx.12 months (RT255/255L/277); Approx. 8 months (RT288/288L)

Important: Most cycle computer problems are caused by weak or

dead batteries. See the Trouble Shooting section near the end of

the manual for details.

1. Remove the battery cap from the bottom of the Head Unit using

a coin.

2. Install a new battery as shown with the positive (+) side facing out. Do not touch or bend

any of the battery contacts during installation.

3. Screw the battery cap firmly into place and make sure that the O-ring seal does not get pinched or distorted.

Caution: To avoid damage to the battery cap, do not over tighten.

HEAD UNIT

The WL Wireless Speed Transmitter uses an A23, 12-Volt battery. Remove the battery compartment using a coin and

install the battery in it with positive (+) side in, then replace the battery compartment.

Battery Run Time (1 hour training / day): Approx.10 months

WL WIRELESS SPEED TRANSMITTER (

RT288/288L)

A23, 12V

Attach the Wired Speed Sensor with the Zip-Tie supplied and tighten the Bladed Spoke Magnet to the bicycle. Mounting

the sensor as high up as on the fork leg. (Fig. A) Adjust the sensor and magnet spacing with the Spacer. Remove the

Spacer after snugging the Zip-Tie down to hold the sensor in its final position.

WL WIRELESS SPEED TRANSMITTER & MAGNET (

RT288/288L)

Tie the WL Wireless Speed Transmitter with Bracket Rubber Pad loosely by the Zip-Ties supplied to either in the front of

the left fork leg (see Fig.1 A) or at the back of the right fork leg (see Fig.1 B). For best signal reception, make sure the

distance between the Transmitter and the Head Unit is within 70 cm. At the same time, the Transmitter should be

2 ~ 4 cm (or more) away from the brake, to avoid blocking transmission signals by the brake. Adjust the transmitter

and magnet spacing with the Spacer. Slide and rotate the transmitter until the alignment mark just touches the spacer tip

on the magnet. Remove the Spacer after snugging the Zip-Tie down to hold the transmitter in its final position.

Within 70 cmWithin 70 cmWithin 70 cm

2~4 cm2~4 cm

2~4 cm

Fig.1 B

Fig.1 A

Fork Leg

Zip-Ties

Magnet

Sweep Path

Spoke

Bladed

Spoke

Magnet

Bladed Spoke

Magnet

Wireless Speed

Transmitter

Spacer Tip

Alignment

Mark

MOUNTING BRACKET & HEAD UNIT (

RT255/255L/277/288/288L)

Attach Mounting Bracket & Bracket Rubber Pad to the handlebar on the

“Sensor/Transmitter side” using the Zip-Ties provide. Adjust its position

to your liking and tighten the Zip-Ties. Note: Be sure to leave enough

slack in the wire to accommodate the movement of fork and

handlebars. (See Fig. A)

Slide the Head Unit into the Mounting Bracket as shown until it clicks

into position. Remove by pressing in the two locking tabs as shown.

Secure wire with tape supplied and by winding it around cables.

Locking Tab Locking Tab

UNLOCK UNLOCK

Wired Mounting Bracket

Head Unit

SETUP & PROGRAMMING

SERVICE TIMER RT 255|255L|277|288|288L

SPEED/ DISTANCE UNIT RT 255|255L|277|288|288L

INSTALLATION TESTS

Once installation is complete, the computer should be tested to make sure it is working properly.

To test the Speed Sensor/Transmitter installation:

Pick up the front of the bicycle and spin the front wheel. The LCD should display a speed- reading within 2-3 seconds.

To test the Cadence Sensor installation (RT277):

Advance the LCD to the CAD Mode using or . Turn the crank backwards or ride the bicycle a short distance. After a

few revolutions, a cadence reading should display on the LCD.

If there is no speed-reading or cadence reading, check the alignment and spacing between the magnet and

sensor/transmitter. Make sure that the Head Unit is completely locked into position. If these checks do not solve the

problem, talk to an Authorized Vetta’s Retailer or connect to www.vetta.com.

Important: Make sure the magnets locking screw and all Zip-Ties are properly tightened.

Service Timer could be programmed with a selected number of ride time (hours or days) or distance as the interval for

servicing the bicycle or any component on it, such as a front or rear shock.

The default settings “0000” means the Service Timer is turned off.

Press to scroll flashing hr (hour), day or dst (distance) as the Service Timer unit. Press to select the desired Service

Timer unit.

When the desired Service Timer unit has been chosen, press to scroll the flashing digit to the desired number. Press

to select this number and advance to next digit. Repeat this procedure until all digits are selected. Press to advance

the next Setup Mode. ( Maximum settings: hour / day / distance = 1999 / 999 / 9999 )

1 2

In Setup, Button is used to select or set a value and to advance to the next digit or Mode. Button is used to switch

between settings and to increase values.

Initial Setup

All RT200 series computers are programmed to enter the Initial Setup Mode after new battery replacement or all clear

total reset (press , & simultaneously for 3 seconds in any Mode).

In the Initial Setup, riders can program the Basic Settings for the computer, the content of settings are same as NOM

Setup for Basic Setting.

Important: The computer CANNOT exit the Initial Setup Mode until all the Basic Settings are finished.

NOM Setup

After completed the Initial Setup, riders can change any values or correct any errors by re-entering the NOM Setup.

To enter the NOM Setup Mode press & hold & simultaneously when the lowest screen is in the CLK Mode. Press

any time to exit and advance to the previous Mode.

1 2

2 2 2

When the Ride Time (the elapsed time for Service

Timer) or the elapsed distance begins to flash, press

to reset to zero;

OR press to reserve the digits, and advance to the

next Setup Mode.

Important:

In the Initial Setup, the elapsed time [distance] for

Service Timer doesn’t exist.

OR OR

1 2 1

2 1

1 2 1

Press to toggle between flashing M/hr and KM/hr. Press to select

and advance to the next Setup Mode.

Note: Speed/Distance Unit cannot be changed if there have been ride

data on screens. If you want to change the Unit, please make sure you

had cleared all ride data before entering the NOM Setup Mode. This

restriction does not apply to the Initial Setup after the 1st time battery

installation, new battery replacement or All Clear Total Reset.

12/24 CLOCK RT 255|255L|277|288|288L

TIME RT 255|255L|277|288|288L

Press to toggle between flashing 12 and 24 hour formats. Press

to select your desired format (without PM icon implies AM in 12

hour format) and advance to Time setting.

Press to advance hour digits to correct hour (hold button for rapid advance). Press to select and advance to minute

setting. Press to advance minute digits to correct minute. Press to select and advance to the next Setup Mode.

2 1 2

WHEEL/ TIRE SIZE RT 255|255L|277|288|288L

Press to toggle between flashing circ (circumference) and tire (tire type). Press to select the desired and advance

the settings.

If pre-set to circ (see Table of Tire Size Vs Circ), press to scroll the flashing digit to the desired number. Press to

select this number and advance to next digit. Repeat this procedure until all four digits are selected.

If pre-set to tire, press to scroll the flashing 700c, 650c, 27in, 26in, 24in, 20in or 16in. Press to select and advance

to next setting to complete the Tire Size. Again, press to scroll and press to finalize the Tire Size and advance to

the next Setup Mode.

ODOMETER RT 255|255L|277|288|288L

Press to scroll the flashing digit to the desired number. Press to select this number and advance to next digit. Repeat

this procedure until all five digits are selected. Press to advance the next Setup Mode. (Maximum setting: 99999)

TIRE SIZE CIRC

700c x 20mm 2074

700c Tubular 2130

650c x 23mm 1990

650c x 20mm 1945

27” x 1.25” 2161

27” x 1.125” 2155

26” x 2.3” 2135

TIRE SIZE CIRC

700c x 38mm 2180

700c x 35mm 2168

700c x 32mm 2155

700c x 30mm 2145

700c x 28mm 2136

700c x 25mm 2124

700c x 23mm 2105

TIRE SIZE CIRC

26” x 1.0” 1913

24” x 1.9/1.95” 1916

20” x 1.25” 1618

16” x 2.0” 1253

16” x 1.95” 1257

16” x 1.5” 1206

TIRE SIZE CIRC

26” x 2.25” 2115

26” x 2.1” 2095

26” x 2.0” 2074

26” x 1.9/1.95” 2055

26” x 1.75” 2035

26” x 1.5” 1985

26” x 1.25” 1953

2 1 1

FUNCTIONS

AUTO START RT288|288L

When Auto Start is On: The computer exit the Sleep Mode as soon

as it receives the speed signal or any button is pressed.

When Auto Start is Off: To conserve battery run time, the computer

will only exit the Sleep Mode when any button is pressed.

Press to toggle between flashing OFF or ON. Press to select

and advance to next Setup Mode.

F or LAP

RT 255|255L|277|288|288L

SMARTLITE RT 255L|288L

SPD

RT 255|255L|277|288|288L

SmartLite will turn on the night light for 3 seconds between pre-set intervals when any button is pressed. Press to toggle

between OFF and ON. When SmartLite is set to OFF, press to exit the Setup Mode. When SmartLite is set to ON, press to

select and advance the hour setting. Press to advance the hour digits to desired hour [range of Fr (from): 1:00 PM to 11:00 PM;

range of To (to): 1:00 AM to 11:00 AM]. Press to select and exit the Setup mode.

Speed is shown at all times on middle display. It is accurate to 0.1 M/hr or KM/hr and the

maximum reading is 139.9 M/hr or 199.9 KM/hr.

2 2

2 1

Press to scroll the flashing F (Freeze Frame Memory), LAP (Lap Data) and OFF (both of Freeze Frame Memory and

Lap). Press to select and advance to next Setup Mode.

Note: The icon or in the Normal Display Modes indicates F or Lap has been chosen.

2 1 1

1 2 1

The types and number of Modes of the upper screen are same as the lower screen. Depending on users’ habits, they can

decide where to put the desired Modes either on the upper or lower screen.

Press to change the Upper Screen Modes.

Press to change the Lower Screen Modes.

To enter the NOM Setup Mode, press & hold & simultaneously for 2 seconds when the lowest screen is in the CLK Mode,

Press at anytime to exit.

To reset all ride data (DST, AVG SPD, MAX SPD, RT, AVG/CAD*, MAX/CAD*) to zero, press & hold and simultaneously for 2

seconds when the lowest screen is in the DST Mode. (* RT277 Only)

1 2

Note: The icon Auto in the Normal Display Modes indicates the programmable Auto Start has been chosen.

RT 255|255L|277|288|288L

RT displays actual, cumulative ride time to 100

hour. [If the time is less than 9:59:59 hours, the

display format will be h:mm:ss, eg. 0:09:59 means 9

minutes and 59 seconds. If the time is longer than

10 hours, the format will be hh:mm without seconds,

eg 11:28 means 11 hours and 28 minutes]

DST

RT 255|255L|277|288|288L

DST displays trip distance of

current ride to a maximum of 999.9

miles or kilometers. It is accurate to

0.1 Mile or KM.

Note: When the Trip Distance

exceeds 999.9 miles [kilometers],

symbol “E” appears indicating that

further measurement is impossible.

Note: When the Ride Time exceeds 99

hours and 59 minutes, or the Trip Distance

exceeds 999.9 miles [kilometers], symbol

“E” appears indicating that further

measurement is impossible.

AVG SPD RT 255|255L|277|288|288L

Average Speed is accurate to

0.1 M/hr or KM/hr.

CAD RT277

Cadence measures revolutions per minute (RPM) of the crank.

MAX SPD RT 255|255L|277|288|288L

Note: When the Ride Time

exceeds 99 hours and 59

minutes, symbol “E” appears

indicating that further

measurement is impossible.

Note: When the Ride Time exceeds 99

hours and 59 minutes, or the Trip Distance

exceeds 999.9 miles [kilometers], symbol

“E” appears indicating that further

measurement is impossible.

Maximum Speed is accurate

to 0.1 M/hr or KM/hr.

Note: When the Ride Time exceeds

99 hours and 59 minutes or the Trip

Distance exceeds 999.9 miles

[kilometers], symbol “E” appears

indicating that further measurement

is impossible.

AVG CAD RT277

Average Cadence is calculated

by dividing total revolutions of

the crank by the total ride time.

SLEEP MODE RT 255|255L|277|288|288L

Computer enters Sleep Mode after 5 minutes without input from any buttons or wheel, and

displays the clock only. Computer exits Sleep Mode and returns to the screen last displayed

when any button is pressed or the wheel turns. (if the Auto Start is pre-set to OFF, RT288/288L

can only exit the Sleep Mode when any button is pressed)

SMARTLTE RT 255L|288L

SmartLite will activate the NiteLite for 3 seconds between the user-defined period when any button is pressed. (see

Section of SmartLite Setup)

SERVICE TIMER( ) RT 255|255L|277|288|288L

Blinking “ ” alerts riders when the Service Time is reached.

OTHER FEATURES

ODO RT 255|255L|277|288|288L

The odometer displays distance to 99999 Miles or Kilometers. It is accurate to 1.0 Mile or KM.

CLK RT 255|255L|277|288|288L

Clock is displayed in user-selected 12 or 24 hour formats.

MAX CAD RT277

Maximum Cadence is updated

once per second based on current

Cadence readings.

Note: When the Ride Time exceeds

99 hours and 59 minutes or the Trip

Distance exceeds 999.9 miles

[kilometers], symbol “E” appears

indicating that further measurement

is impossible.

FREEZE FRAME MEMORIES (RT255/255L/277/288/288L)

...

0 1 2

RT=0:00:00

DST=0.0 Km

Press Button and

Store the Ride Data as F1

Press Button for F2

Press Button for F15

Press Button for F16

Recording Ride Data

Press (if it has been pre-programmed to Freeze Frame Memories) at any time in any Normal Modes to record.

When recording the Frames, the icon F will flash and the F# will display on middle screen.

After the recording, screens of RT/DST, AVG SPD / MAX SPD, AVG CAD / MAX CAD* will turn on in sequence, then flip

back to the previous Normal Display Mode.

Note:

1. The icon indicates the Multi Freeze Frame Memories has been chosen.

2. Freeze Frames can only be recorded when the wheels turn.

3. It will not record new memory if is pressed consecutively within 5 seconds.

4. New set of Freeze Frame cannot be recorded when in the Recall Mode.

5. Up to 11 (or 16 for RT255L/288L) sets of Freeze Frame (RT/DST, AVG SPD/MAX SPD, AVG CAD/MAX CAD*) can

be stored. The computer will stop record new memory if it is more than 11/16 and the middle screen will show “F” with

any further press of the button .

If the Ride Time is longer than 99 hours and 59 minutes or the Distance is longer than 999.9 KM or Miles, the

computer will stop recording new memory. The middle screen will show “E” with any further press of button .

(* RT277 Only)

Reading Freeze Frame Memories

Press & hold for 2 seconds in the any Mode to read the

frozen ride data. The recall screens display the most recent

set first. Flashing indicates it is in the F recall screens. The

middle digits flips between the F# & the recorded speed for

every 2 seconds. Press momentarily to scroll the F ride

data screens and press momentarily to scroll the F#.

Note:

1. If there is no frozen screen recorded, the middle digits will

show “

”.

To reset the Freeze Frame Memoires to zero, press &

hold

& simultaneously when the lowest screen is in

the DST Mode.

3. If no button is pressed for 1 minute the recall screen will

return to the previous Normal Mode automatically.

4. Press & hold for 2 seconds to switch the F ride data

screen to Lap screens (if there are 2 or more than 2 sets

of frozen ride data). Flashing indicates it is in the

LAP recall screens. Press & hold again to change

back. Press to exit.

LAP FUNCTION (RT255/255L/277/288/288L)

RT/DST

AVG/MAX SPD

AVG CAD/MAX CAD (RT277 only)

flip

LAP TIME /AVG SPD

LAP TIME /AVG CAD

(RT277 only)

SPLIT TIME / LAP DST

Reading Lap Data

Press & hold for 2 seconds in the any Mode to read the

frozen ride data. The Lap recall screens display the most

recent set first. Flashing indicates it is in the Lap recall

screens. Press momentarily to scroll the Lap data screens

and press momentarily to scroll the Lap #.

Note:

1. If there is no lap data recorded, the middle digits will show

“

”.

To reset the Lap data to zero, press & hold &

simultaneously when the lowest screen is in the DST Mode.

3. If no button is pressed for 1 minute the recall screen will

return to the previous Normal Mode automatically.

4. Press & hold for 2 seconds to switch the Lap screens

to F ride data screens (if there are 2 or more than 2 sets

of frozen ride data.) Flashing indicates it is in the F

recall screens. Press & hold again to change back.

Press to exit.

Recording Lap Data

Press (if it has been pre-programmed to Lap function) at any time in any Normal Modes to record.

When recording the laps, the icon will flash and Lap # will display on middle screen (the starting point of Lap 1 will be “Str”).

After storing the data, screens of LAP TIME/AVG SPD, LAP TIME / AVG CAD*, SPLIT TIME / LAP DST will turn on in sequence,

then flip back to the previous Normal Display Mode.

Note:

1. The icon LAP indicates the Lap function has been chosen.

2. Laps can only be recorded when the wheels turn.

3. It will not record a new lap if is pressed consecutively within 5 seconds.

4. New Lap cannot be recorded when in the Recall Mode.

5. Up to 10 (or 15 for RT255L/288L) sets of Lap data (LAP TIME, AVG SPD, AVG CAD*, SPLIT TIME & LAP DST) can be

stored. The computer will stop record new lap if it is more than 10. The middle screen will show “F” with any further press of

the button .

6. If the Lap Time or Split Time is longer than 99 hours and 59 minutes or the Lap Distance is longer than 999.9 KM or Miles,

the computer will stop recording new lap. The middle screen will show “E” with any further press of the button .

(* RT277 Only)

...

0 3

1 2 3

2 3

1 2

RT=0:00:00

DST=0.0 Km

Press Button at

Example

Lap Time of Lap 2: total ride time between point and point

Lap Distance of Lap 2: total distance between point and point

AVG Speed: average speed between point and point

AVG Cad: average cadence between point and point

Split Time: total time from point to point

Start Lap 1 Lap 2 Lap 15

0 2

Example

Ride Time of F2: total ride time from point to point

Distance of F2: total distance from point to point

AVG/MAX Speed: average or maximum speed from point to point

AVG/MAX Cad: average or maximum cadence from point to point

TROUBLE SHOOTING

Current speed-reading is erratic or does not appear.

Check the alignment of the bladed spoke magnet and sensor/transmitter, and the distance between the two components.

Realign the magnet and sensor/transmitter with the spacer.

OR Inspect the wiring for any breaks or kinks. Replace Mounting Bracket and sensor as needed. (RT 255/255L/277)

Incorrect data appears on screen during operation.

Accuracy of the Setup data may be a problem (wheel size setting, etc.).

Review data in System Check mode and revise as needed.

All data entered in Setup Modes, as well as ride data (including the Multi Freeze Frame Memories and Laps), can be

cleared by performing an All Clear Total Reset. To clear the computer, press , & simultaneously for 3 seconds in

any Mode. The master screen will appear and show all segments, then automatically enter the Initial Setup Mode.

ALL CLEAR TOTAL RESET RT 255|255L|277|288|288L

1 2 3

ACUMEN INC CUSTOMER SERVICE CENTERS

Acumen Inc.

101A Executive Dr., Suite 100, Sterling, VA 20166, USA.

Acumen Europe BV

Splijtbakweg 117, 1333 HJ, Almere, The Netherlands.

Email: [email protected]

Website: www.vetta.com

WARRANTY POLICY

ACUMEN INC. WARRANTS ALL VETTA (The Company) PRODUCTS AGAINST MANUFACTURER DEFECTS FOR A

PERIOD OF 3 YEARS. Subject to the following limitations, terms and conditions, components will be free of

manufacturing defects in materials and workmanship. The 3 year limited warranty is conditioned upon the components

being used and operated in normal riding conditions. This warranty does not cover normal wear and tear (i.e. battery

replacement, broken wire), rider abuse, acts of God, improper installation or product alteration.

This warranty is void if the components were not purchased (new) from or through an authorized VETTA retailer

or dealer. Examples of unauthorized dealers are online auction sites or online retailers.

ACUMEN INC. at its sole discretion will repair or replace items at its own cost. Users are responsible for all freight and

shipping charges, when returning items for warranty service.

ACUMEN INC. will pay the freight when returning serviced items, via USPS or UPS to consumers or dealers, once the

item(s) has been repaired or replaced.

Data display is extremely slow.

Computer LCD screen operates the best under the following temperature range:

Operating range is: 0 ˚C to 50 ˚C or 32 ˚F to 122 ˚F.

Screen is dark and display erratic characters.

Do not leave the computer in direct sunlight for extended periods of time. Move the computer into the shade until the screen recovers.

Noted: Data will not be affected.

Screen reading is weak or fading.

Screen readings are erratic and read too high or too low.

Screen “frozen”, no response to buttons.

Symptom of a weak battery. Replace the battery.

No display whatsoever.

Battery is completely dead, or not installed. Replace or install the battery.

REQUIREMENTS FOR WARRANTY SERVICING

1. Prior to shipping an item back, you must first obtain a Return Authorization Number (s) (RA#). Each item being

returned must have an individual RA#.

2. To obtain an RA #, you must either contact the retailer where the product was originally purchased from, or contact

VETTA directly at customer service @ vetta.com.

3. For trouble shooting purposes, we request that the complete unit with packaging be returned to ACUMEN INC.

unless otherwise stated by VETTA representative.

ITEMS TO BE INCLUDED IN RETURNS

1. The defective product(s)

2. A letter clearly stating the problem(s) with the returned item(s).

3. Copy of the original sales receipt showing proof of purchase date.

4. The Company is not responsible for loss or additional damages while in transit to ACUMEN INC.

5. Clearly mark the RA# on the outside of the return packaging. All items without an RA # will be refused and returned

to the return address on the package.

The Company shall not be held responsible for replacing items with new items for greater than the amount of the original

item purchase price. This limited warranty does provide the original owner with certain legal rights and recourse. The

original owner may possess other rights or recourse, depending on the state or country. Please check the web to help

answer any question and service manual.

Vetta RT255L User manual

Brand: Vetta

Model: RT255L

Category: Measuring, testing & control

Type: User manual

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